/Engine/Source/Runtime/Engine/Public/kDOP.h
This is the tree of kDOPs that spatially divides the static mesh. It is a binary tree of kDOP nodes.
template<typename COLL_DATA_PROVIDER, typename KDOP_IDX_TYPE> struct TkDOPTree
TChunkedArray< ...
Nodes
The list of nodes contained within this tree. Node 0 is always the root node.
TChunkedArray< ...
SOATriangles
The list of collision triangles in this tree.